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3241004551 [841]
3 years ago
15

What's the simplest form of 18/4

Mathematics
2 answers:
avanturin [10]3 years ago
6 0
The simplest form of 18/4 is 4.5 or 4 1/2
zepelin [54]3 years ago
3 0
18/4 ÷2=9/2


so the answer will be 9/2
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Step-by-step explanation:

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3 years ago
Whats the answer to this?<br><br><br> ‐13−23= ‐13 +-23
andrey2020 [161]

Answer:

-36

Step-by-step explanation:

‐13−23= ‐13 + (-23) =  -36

Both 13 and  23 have negative sign. So if two numbers have the same sign, we have to add and put the same sign.

6 0
3 years ago
Solve algebraically the simultaneous equations<br><br> X^2 + Y^2 =25<br> Y-2X = 5
Georgia [21]

Answer:

Therefore the solutions are

x=0\\and\\ y =5\\\\Or\\\\x=-4\\and\\y=-3

Step-by-step explanation:

Given:

x^{2} + y^{2} =25 .........( 1 )

y-2x = 5\\y=2x+5     ................( 2 )

To Find:

x = ?

y = ?

Solution:

Substituting ' y ' in Equation  1 we get

x^{2}+(2x+5)^{2} =25

Using identity (A+B)²=A²+2AB+B² we get

x^{2}+4x^{2}+20x+25=25\\\\5x^{2}+20x=0\\5x(x+4)=0\\5x=0\ or\ x+4=0\\x=0\ or\ x= -4

Now Substitute x =0 in equation 2 we get

y=2\times 0+5=5

Or

Now Substitute x =-4 in equation 2 we get

y=2\times -4+5=-3

Therefore the solutions are

x=0\\and\\ y =5\\\\Or\\\\x=-4\\and\\y=-3

4 0
4 years ago
PLEASE HELP ITS URGENT
Sveta_85 [38]
X^2-22x-48=0
x^2-24x+2x-48=0
x(x-24)+2(x-24)
(x+2)(x-24)

Solve by grouping if you are able to find distinct factors that multiply to the last term and add to the middle term...this method is rather easy with easy to manage numbers. Complete the square if you cannot find distinct factors that multiply to the last term and add to the middle term. Completing the square helps when the equation is in the form of a parabola.
6 0
4 years ago
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